Jalbum now executes script if found in system/onstart.bsh on every
startup

Jalbum album RSS feed now includes camera information

User variables can now be set per folder and image too. See edit mode

User variables now ordered alphabetically

User variables can now be deleted easily

Accidental leading and trailing spaces in folder names are now trimmed

Advanced: Added system property "subsampling" to override the calculated
subsampling. Using subsampling higher than 1 speeds up image loading and
scaling and requires less RAM, but can cause scaling side effects with
images containing regular patterns in high frequencies.